<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title><style type="text/css">
			div{
				width: 100px;
				height: 100px;
			}
			div:first-child{
				position: absolute;
				z-index: 2;
			}
			div+div{
				position: fixed;
				z-index: 3;
				left: 50px;
				top: 50px;
			}
		</style>
	</head>
	<body>
		<div style="background-color: yellow;"></div>
		<div style="background-color: blue;"></div>
	</body>
</html>
